# OpenAI Unveils GPT-4 Turbo and Suite of New Developer Tools at DevDay
OpenAI announced a major update to its AI platform at its DevDay conference, introducing GPT-4 Turbo as the centerpiece of several new developer products.
The most significant upgrade is GPT-4 Turbo, which now supports a 128K context windowâroughly equivalent to 300 pages of textâallowing the model to process and remember far more information in a single conversation. OpenAI also reduced pricing for the new model, making it more accessible for developers building AI applications.
Alongside GPT-4 Turbo, the company launched the Assistants API, a new tool designed to help developers create AI-powered assistants more easily. The update also includes GPT-4 Turbo with Vision, enabling the model to analyze and understand images, and API access to DALL¡